/* ============================================================
   responsive.css · #265 多端适配层
   - 移动端(<768px)：侧栏转离屏抽屉 + 遮罩
   - 触控目标 ≥44px
   - 窄屏布局回流 / 工具栏换行 / 全局搜索占满
   全部以媒体查询包裹，桌面端图标栏(.app-view.collapsed → width:0)行为不受影响
   ============================================================ */

/* 遮罩基础态：桌面隐藏 */
.nav-backdrop { display: none; }

/* ---------- 平板及以下：(<=1024px) ---------- */
@media (max-width: 1024px) {
  .topbar { gap: 8px; padding: 0 14px; }
  .gs-wrap { flex: 1 1 160px; min-width: 120px; }
  .top-myapps { max-width: 220px; }
  .crumb { font-size: 14px; }
}

/* ---------- 移动端：(<=768px) ---------- */
@media (max-width: 768px) {
  /* 侧栏转离屏抽屉：复用 .app-view.collapsed 作开合信号（与 #menu-toggle 同键） */
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 248px; max-width: 84vw; height: 100vh;
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 200;
    box-shadow: 6px 0 28px rgba(0,0,0,.35);
  }
  /* 覆盖桌面端 .app-view.collapsed .sidebar{width:0}，移动端折叠态=抽屉打开 */
  .app-view.collapsed .sidebar { width: 248px; transform: translateX(0); }
  .main { width: 100%; }

  /* 遮罩 */
  .nav-backdrop {
    display: block; position: fixed; inset: 0;
    background: rgba(8,12,20,.5);
    backdrop-filter: blur(1px);
    z-index: 190; opacity: 0; visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
  }
  .app-view.collapsed .nav-backdrop { opacity: 1; visibility: visible; }

  /* 顶栏：搜索占满、次要标签折叠 */
  .topbar {
    flex-wrap: wrap; gap: 8px; padding: 8px 10px;
    align-items: center;
  }
  .gs-wrap { order: 5; flex: 1 1 100%; min-width: 0; }
  .top-myapps { display: none; }            /* 移动端隐藏“我的应用”横条，省空间 */
  #top-apps-scroll-left, #top-apps-scroll-right { display: none; }
  .top-act .lbl { display: none; }           /* 仅留图标 */
  .crumb { order: 2; flex: 1; }

  /* 触控目标 ≥44px */
  .menu-toggle, .top-act, .top-app-scroll, .logout-btn,
  .side-menu a, .menu-item, .db-ic, .db-tool-btn, .btn,
  .tab, .tab-btn, .top-act.role { min-height: 44px; min-width: 44px; }
  .side-menu a { padding-top: 12px; padding-bottom: 12px; font-size: 15px; }
  .menu-toggle { display: inline-flex !important; align-items: center; justify-content: center; }

  /* 驾驶舱 / 工作台：组件网格单列（Gridstack oneColumnMode 同步收起） */
  .dash-grid, .wb-metrics, .wb-todo, .wbg-grid, .wb-app-grid { grid-template-columns: 1fr !important; }
  .wb-hero { flex-direction: column; align-items: stretch; }
  .wb-hero-r { justify-content: flex-start; }

  /* 通用卡片网格单列 */
  .cards { grid-template-columns: 1fr !important; }

  /* 工具栏换行 */
  .db-toolbar, .ac-toolbar, .toolbar, .panel-toolbar { flex-wrap: wrap; gap: 8px; }
  .db-toolbar .db-tool-btn { flex: 1 1 auto; }

  /* 抽屉/弹窗在窄屏几乎占满 */
  .drawer { width: 100% !important; max-width: 100%; }
  .modal-box, .db-modal-box, .wb-modal { width: 94% !important; max-width: 94%; }

  /* 表格已在 .table-wrap 内横向滚动，确保不撑破 */
  .table-wrap, .ai-table-wrap { margin: 0 -4px; }

  /* 内容区内边距收紧 */
  .content { padding: 12px 10px; }
  .wb-wrap, .panel { padding: 12px 10px; }

  /* 表单行单列 */
  .form-row, .form-grid { grid-template-columns: 1fr !important; }
  .two, .three { grid-template-columns: 1fr !important; }
}

/* ---------- 小屏：(<=480px) ---------- */
@media (max-width: 480px) {
  body { font-size: 14px; }
  .lc-title { font-size: 20px; }
  .side-brand-txt .b1 { font-size: 14px; }
  .wb-hero { padding: 14px 16px; }
  .crumb { font-size: 13px; }
  .top-user { font-size: 13px; }
  #top-user .uname { display: none; }        /* 仅留头像 */
  .logout-btn .lbl, .logout-btn { font-size: 13px; }
}

/* ---------- 大屏：(>=1600px) 驾驶舱更舒展 ---------- */
@media (min-width: 1600px) {
  .content { padding: 22px 28px; }
  .cards { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

/* 尊重无障碍：减少动效 */
@media (prefers-reduced-motion: reduce) {
  .sidebar, .nav-backdrop { transition: none; }
}